TM 9-6115-646-14&P
Table 4-1. Unit Preventive Maintenance Checks and Services (PMCS) (cont).
H-Hours of operation
M - Monthly
S-Semiannually
(As Indicated)
(100 hours)
(500 hours)
Interval
Item
Item to be Inspected.
Procedures
No.
H
M
S
19
•
Suspension Assemblies
a. Inspect shackles, bearings, pins, leaf springs
and spring eyes for damage or broken parts.
b. Inspect mounting brackets for cracks or loose
or missing hardware.
20
•
Axle
a. Check for damaged axle tube.
b. Check for loose or missing U-bolts or nuts.
21
•
Wheels and Tires
a. Check serviceability of tires as indicated in
TM 9-2610-220-14.
b. Tighten wheel stud nuts to 450 to 500 ft-lb
(611 to 678 N-m).
22
•
Brakes
a. Inspect brake linings for wear. Replace if brake
shoe lining is less than 1/8-inch (3.2 mm) thick.
b. Inspect brake adjusting screw, retaining screw,
retaining pins, springs, and clips for corrosion
and wear.
c. Inspect hydraulic wheel cylinders for leaks.
d. Adjust brakes.
23
•
Wheel Bearings
Clean and repack wheel bearings.
24
•
Hydraulic Brake Hoses and
Inspect for dents, cracks, loose connections and
Fittings
leaks.
25
•
Air Hoses and Fittings
Inspect for dents, cracks, loose connections
and leaks.
26
•
Brake Master Cylinder
Check fluid level. Fill to 1/2 inch from top.
27
•
Trailer - Road Test
Perform road test paying special attention to items
that were repaired or adjusted, in accordance with
TM 9-2330-247-14&P.
Change 1 4-11
